def test_link_add_conflict(_link):
assert Link.add('id', 'feature', 'idf', 'topic')
assert Link.select() == {('id', 'feature', 'idf'): 'topic'}
with pytest.raises(ValueError) as err:
Link.add('id', 'feature', 'idf', 'topic')
assert 'exists' in str(err)
def add_link(self, payload):
'''
This add link command will send a ``CONNECT`` control message
to device application.
We will check the device feature lock as first.
Then, record the link to ``Link`` for future lookup.
'''
da_id = UUID(payload['da_id'])
mode = self.get_mode(payload.keys())
feature = payload[mode]
if Link.select(payload['da_id'], feature, mode):
return self.send_error(payload, reason='Link already exists')
elif payload.get('func') and not UserFunction.select(payload['func']):
return self.send_error(
payload, reason='Function unknown. Please add it first.')
return self._add_link(da_id, mode, feature, payload)
def test_link_pop_key(_link):
assert Link.add('id', 'feature', 'idf', 'topic')
assert Link.select('id', 'feature', 'idf') == 'topic'
assert Link.pop('id', 'feature', 'idf') == 'topic'
assert Link.select('id', 'feature', 'idf') is None
def test_link_add(_link):
assert Link.add('id', 'feature', 'idf', 'topic')
assert Link.select() == {('id', 'feature', 'idf'): 'topic'}
def _link():
assert Link.clear()
assert Link.select() == {}
yield
assert Link.clear()
assert Link.select() == {}